20637 ZIP Code — Hughesville, MD

Charles County, Maryland

ZIP code 20637 is located in Hughesville, Maryland, within Charles County. It covers approximately 32.72 square miles and serves a population of 6,221 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 240.

About ZIP code 20637

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $517,300. Owner-occupancy is high at 94%, well above the national average.

Median household income is $141,382. The poverty rate of 3% is below the national average. 30% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. An above-average commute of 43 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.

Overall, ZIP code 20637 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

6,221

population

32.72

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

20637 ZIP code map

Cities in ZIP code 20637

Below are the cities the US Postal Service accepts for ZIP code 20637. Using any city not on this list may result in mail delivery delays.

City	Status
Hughesville	Preferred

Nearby ZIP codes

20617 Bryantown (4.2 mi) 20622 Charlotte Hall (5.6 mi) 20608 Aquasco (5.7 mi) 20602 Waldorf (7.5 mi) 20601 Waldorf (7.7 mi) 20659 Mechanicsville (8.4 mi) 20613 Brandywine (8.9 mi) 20678 Prince Frederick (10.4 mi) 20611 Bel Alton (10.9 mi) 20695 White Plains (11.1 mi) 20632 Faulkner (11.5 mi) 20639 Huntingtown (11.8 mi)

Demographics updated 05/2026

Population
Total population	6,221
Population density	190 / sq mi
State FIPS	24
County FIPS	017

Geography
Land area	32.72 sq mi
Water area	1.33 sq mi
Latitude	38.5236
Longitude	-76.7863
Timezone	Eastern (ET)
Area code	240

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	12.8%	20.2%	28.2%
$50k – $100k	29.8%	28.0%	28.2%
$100k – $200k	37.0%	38.4%	30.1%
Over $200k	20.3%	13.4%	13.4%

Demographics & statistics

6,221

Population

190

People per sq mi

44.0

Median age

$141,382

Median household income

$56,649

Per capita income

$517,300

Median home value

$2,578

Median monthly rent

93.8%

Home ownership

3.0%

Poverty rate

2.8%

Unemployment

2,047

Housing units

28.4%

Bachelor's or higher

Age distribution

Male Female

284

Under 5

242

123

5–9

105

171

10–14

145

207

15–19

177

207

20–24

177

320

25–34

272

437

35–44

371

454

45–54

387

292

55–59

249

270

60–64

230

376

65–74

320

205

75–84

174

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,318	21.2%
18 and over	4,903	78.8%
65 and over	1,101	17.7%
Median age	44.0 years

Race & ethnicity

White 54.5%

Black or African American 27.2%

Two or more races 11.4%

Hispanic or Latino 3.4%

Asian 2.4%

American Indian / Alaska Native 1.1%

Group	Count	%
White	3,508	54.5%
Black or African American	1,753	27.2%
Two or more races	735	11.4%
Hispanic or Latino	221	3.4%
Asian	155	2.4%
American Indian / Alaska Native	70	1.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	12.8%	20.2%	28.2%
$50k – $100k	29.8%	28.0%	28.2%
$100k – $200k	37.0%	38.4%	30.1%
Over $200k	20.3%	13.4%	13.4%

Under $10k 1.1%

$10k–$15k 0.6%

$15k–$25k 2.4%

$25k–$35k 3.7%

$35k–$50k 6.3%

$50k–$75k 5.5%

$75k–$100k 15.4%

$100k–$150k 19.0%

$150k–$200k 20.1%

$200k+ 25.9%

Range	% of households
Under $10k	1.1%
$10k–$15k	0.6%
$15k–$25k	2.4%
$25k–$35k	3.7%
$35k–$50k	6.3%
$50k–$75k	5.5%
$75k–$100k	15.4%
$100k–$150k	19.0%
$150k–$200k	20.1%
$200k+	25.9%
Median income	$141,382

Housing

Home values

Under $50k 0.8%

$50k–$100k 0.5%

$100k–$150k 0.4%

$150k–$200k 2.3%

$200k–$300k 5.1%

$300k–$500k 37.8%

$500k–$1M 52.3%

$1M+ 0.8%

Housing overview

Metric	Value
Median home value	$517,300
Median rent / month	$2,578
Owner occupied	93.8%
Renter occupied	6.2%
Vacant	0.9%
Single-family detached	96.9%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	7.9
Avg household size (owned)	2.76

Year built

Era	%
2020 or later	0.0%
2010–2019	13.1%
2000–2009	29.1%
1990–1999	15.9%
1980–1989	21.5%
1970–1979	7.6%
1960–1969	4.5%
1950–1959	4.4%
1940–1949	0.5%
1939 or earlier	3.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	9.0%
3 bedrooms	34.6%
4 bedrooms	36.0%
5+ bedrooms	20.4%

Vehicles per household

Vehicles	% of households
No vehicle	1.9%
1 vehicle	13.3%
2 vehicles	31.6%
3 or more	53.1%

Heating fuel

Fuel type	%
Utility gas	6.7%
Electricity	65.0%
Propane / LP gas	5.8%
Fuel oil	18.0%
Wood	3.9%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	1,395	64.5%
Cohabiting couple	184	8.5%
Male householder, no spouse	289	13.4%
Female householder, no spouse	294	13.6%
Households with children under 18	729	33.7%
Households with seniors (65+)	765	35.4%
Average household size	2.79

Marital status

Status	Male	Female
Never married	31.2%	19.0%
Married	52.2%	62.4%
Separated	1.7%	0.8%
Widowed	4.0%	7.7%
Divorced	10.9%	10.1%

Education

Less than 9th grade 0.5%

Some HS, no diploma 3.3%

HS graduate 28.5%

Some college, no degree 25.9%

Associate's degree 13.3%

Bachelor's degree 16.7%

Graduate / professional 11.7%

Metric	%
HS diploma or higher	96.2%
Bachelor's or higher	28.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	93	7.9%
Kindergarten	0	0.0%
Elementary school	519	44.2%
High school	257	21.9%
College / grad school	306	26.0%

Employment

Industry of employment

Professional & management 23.1%

Education & healthcare 20.1%

Public administration 15.7%

Construction 11.1%

Arts, food & hospitality 6.4%

Transportation & utilities 5.4%

Finance & real estate 4.5%

Retail trade 4.2%

Other services 3.9%

Information 2.3%

Manufacturing 2.0%

Wholesale trade 1.3%

Occupation

Category	%
Management, business & arts	43.0%
Service	16.2%
Sales & office	22.9%
Natural resources & construction	13.4%
Production & transportation	4.5%

Employment type

Type	%
Private sector	68.9%
Government	26.0%
Self-employed	5.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.5%
Carpool	5.3%
Public transit	3.0%
Walk	0.7%
Work from home	14.2%
Other means	1.3%
Avg commute (minutes)	43.3

Poverty

All people 3.0%

Under 18 years 2.6%

18 and over 3.1%

Married-couple families 1.9%

Female-led households 0.0%

Income support

Source	% of households
Social Security	30.3%
Retirement income	41.3%
Supplemental Security	7.7%
Cash public assistance	3.3%
Food stamps / SNAP	7.4%

Health indicators

Condition	%
Obesity	36.8%
High blood pressure	35.2%
High cholesterol	34.6%
Diabetes	9.8%
Heart disease	5.0%
Stroke	2.5%
Asthma	9.7%
Arthritis	23.7%
Kidney disease	2.4%
Pulmonary disease	5.4%
Cancer	6.1%

Behavior / access	%
Smoking	15.4%
Binge drinking	14.7%
No physical activity	21.3%
Less than 7 hrs sleep	35.8%
Depression	17.4%
Fair or poor health	10.5%
Poor mental health	13.5%
Poor physical health	7.8%
No health insurance	9.0%
Visited doctor (checkup)	78.4%
Visited dentist	68.3%
Cholesterol screening	92.8%
Teeth loss	9.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	622	12.7%

Disability	%
Any disability	12.8%
Under 18	4.5%
18–64 years	7.5%
65 and over	40.4%

Health insurance coverage

Type	%
Private insurance	83.1%
Public insurance	34.9%
No insurance	4.2%
Uninsured under 19	4.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,695	91.5%
Spanish	37	0.6%
Other Indo-European	22	0.4%
Asian & Pacific Islander	0	0.0%
Other languages	15	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,940	95.5%
Born in same state	5,874	94.4%
Born in different state	2,905	46.7%
Foreign born	66	1.1%
Naturalized citizen	281	4.5%
Not a US citizen	281	100.0%

Ancestry

Ancestry	Count	%
Italian	665	10.7%
French	628	10.1%
Arab	380	6.1%
Irish	120	1.9%
English	51	0.8%

Ancestry	Count	%
Polish	51	0.8%
German	18	0.3%
Norwegian	10	0.2%
Dutch	10	0.2%

Technology access

Metric	% of households
Computer access	34.8%
Internet access	97.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 20637

What city is ZIP code 20637 in?

ZIP code 20637 is primarily assigned to Hughesville, Maryland.

What county is ZIP code 20637 in?

ZIP code 20637 falls within Charles County, Maryland.

Is ZIP code 20637 mostly owner-occupied?

94% of occupied units in ZIP code 20637 are owner-occupied, well above the national average.

Does ZIP code 20637 have a large veteran population?

13% of civilians in ZIP code 20637 are veterans, above the national average of ~7%.

What is the median household income in ZIP code 20637?

The median household income in ZIP code 20637 is $141,382, above the national median of ~$75,000.

What is the typical home value in ZIP code 20637?

The median home value in ZIP code 20637 is $517,300.

What timezone is ZIP code 20637 in?

ZIP code 20637 observes the EST timezone.